Fujiwara Keishi, Maeda Ichiro, Mimura Hidefumi
Department of Radiology, St. Marianna University School of Medicine, Kanagawa, Japan.
Department of Pathology, St. Marianna University School of Medicine, Kanagawa, Japan.
Acta Radiol Open. 2018 Dec 10;7(12):2058460118816537. doi: 10.1177/2058460118816537. eCollection 2018 Dec.
Granular cell tumor (GCT) is a rare neoplasm of the soft tissues and <1% of all GCTs are malignant. Initially, GCT was considered a myogenic lesion affecting the female breast (myoblastoma). We report the case of an 83-year-old woman with a palpable lump in the left breast; mammography and ultrasound showed an irregular lesion. It was difficult to differentiate it from a malignant lesion; therefore, we performed core needle biopsy and histopathologic examination and immunohistochemical studies revealed a GCT of the breast.
颗粒细胞瘤（GCT）是一种罕见的软组织肿瘤，所有GCT中恶性的占比不到1%。最初，GCT被认为是一种影响女性乳房的肌源性病变（成肌细胞瘤）。我们报告了一例83岁女性患者，其左乳可触及肿块；乳腺钼靶和超声检查显示为不规则病变。很难将其与恶性病变区分开来；因此，我们进行了粗针活检，组织病理学检查及免疫组化研究显示为乳腺颗粒细胞瘤。
